%I #11 Sep 09 2019 12:49:52
%S 3,6,7,10,14,17,21,24,28,31,35,38,39,42,45,46,49,53,56,60,63,67,70,74,
%T 77,78,81,85,88,92,95,99,102,106,109,110,113,116,117,120,124,127,131,
%U 134,138,141,145,148,149,152,156,159,163,166,170,173,177,180,181,184,187,188,191,195,198,202,205,209,212,216,219,220
%N Positions of 0 in A190893.
%C See A190893.
%t f[n_] := Floor[3 n*E] - 3*Floor[n*E];
%t t = Table[f[n], {n, 1, 220}] (* A190893 *)
%t Flatten[Position[t, 0]] (* A191103 *)
%t Flatten[Position[t, 1]] (* A191104 *)
%t Flatten[Position[t, 1]] (* A191105 *)
%Y Cf. A190893, A191104, A191105.
%K nonn
%O 1,1
%A _Clark Kimberling_, May 26 2011